diff --git a/pom.xml b/pom.xml
index 4751029..248299b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>		
 		<jackson.version>[2.12.4,)</jackson.version>
 		<antlr4.version>4.9.3</antlr4.version>
-		<antlr3.version>3.5.2</antlr3.version>
+		<antlr3.version>3.5.3</antlr3.version>
 		<java.version>1.8</java.version>
 		<log4j.version>[2.17.1,)</log4j.version>
 	</properties>